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| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2021-01-28 18:13:48 +0300 |
|---|---|---|
| committer | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2021-05-04 11:37:26 +0300 |
| commit | 27eacb390e289edde4854f8bdface596572b0d8d (patch) | |
| tree | d705b588319179cb532a5c3b9c3fc561c9f76d9c /scripts | |
| parent | dab346986e1e91dfd28671e9fb97970a9eb15fca (diff) | |
| download | qemu-27eacb390e289edde4854f8bdface596572b0d8d.zip qemu-27eacb390e289edde4854f8bdface596572b0d8d.tar.gz qemu-27eacb390e289edde4854f8bdface596572b0d8d.tar.bz2 | |
simplebench: bench_one(): support count=1
statistics.stdev raises if sequence length is less than two. Support
that case by hand.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/simplebench/simplebench.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/scripts/simplebench/simplebench.py b/scripts/simplebench/simplebench.py index 0a30357..27bc4d4 100644 --- a/scripts/simplebench/simplebench.py +++ b/scripts/simplebench/simplebench.py @@ -83,7 +83,10 @@ def bench_one(test_func, test_env, test_case, count=5, initial_run=True, dim = 'seconds' result['dimension'] = dim result['average'] = statistics.mean(r[dim] for r in succeeded) - result['stdev'] = statistics.stdev(r[dim] for r in succeeded) + if len(succeeded) == 1: + result['stdev'] = 0 + else: + result['stdev'] = statistics.stdev(r[dim] for r in succeeded) if len(succeeded) < count: result['n-failed'] = count - len(succeeded) |